4. Steve took out a loan for $5,000 to help pay for his college education. It he repays the loan over 24 months, he will pay $223.96 a month. If he repays the loan over 48 months, he will pay $45.96 less each month a. How much will Steve pay if he repays it over 24 months? b. How much more will the loan cost Steve if he repays it over 48 months